1 files changed, 104 insertions, 0 deletions
diff --git a/third_party/libphonenumber/cpp/src/logger_test.cc b/third_party/libphonenumber/cpp/src/logger_test.cc
new file mode 100644
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+++ b/third_party/libphonenumber/cpp/src/logger_test.cc
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+// Copyright (C) 2011 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Author: Philippe Liard
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+#include "default_logger.h"
+
+namespace i18n {
+namespace phonenumbers {
+
+using std::string;
+
+// String logger implementation used for testing. Messages are output to a
+// string for convenience.
+class StringLogger : public Logger {
+ public:
+  virtual ~StringLogger() {}
+
+  const string& message() const {
+    return msg_;
+  }
+
+  virtual void WriteMessage(const string& msg) {
+    msg_ += msg;
+  }
+
+ private:
+  string msg_;
+};
+
+class LoggerTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    test_logger_.reset(new StringLogger());
+    test_logger_->set_level(LOG_INFO);
+    // Save the current logger implementation and restore it when the test is
+    // done to avoid side-effects in other tests (including phonenumberutil
+    // tests) as the logger implementation is global.
+    old_logger_ = Logger::mutable_logger_impl();
+    Logger::set_logger_impl(test_logger_.get());
+  }
+
+  virtual void TearDown() {
+    // Restore the previous logger implementation to avoid side-effects in other
+    // tests as mentioned above.
+    Logger::set_logger_impl(old_logger_);
+  }
+
+  scoped_ptr<StringLogger> test_logger_;
+  Logger* old_logger_;
+};
+
+TEST_F(LoggerTest, LoggerIgnoresHigherVerbosity) {
+  // The logger verbosity is set to LOG_INFO, therefore LOG_DEBUG messages
+  // should be ignored.
+  VLOG(LOG_DEBUG) << "Hello";
+  EXPECT_EQ("", test_logger_->message());
+}
+
+TEST_F(LoggerTest, LoggerOutputsNewline) {
+  VLOG(LOG_INFO) << "Hello";
+  EXPECT_EQ("Hello\n", test_logger_->message());
+}
+
+TEST_F(LoggerTest, LoggerLogsEqualVerbosity) {
+  VLOG(LOG_INFO) << "Hello";
+  EXPECT_EQ("Hello\n", test_logger_->message());
+}
+
+TEST_F(LoggerTest, LoggerLogsLowerVerbosity) {
+  VLOG(LOG_WARNING) << "Hello";
+  EXPECT_EQ("Hello\n", test_logger_->message());
+}
+
+TEST_F(LoggerTest, LoggerConcatenatesMessages) {
+  VLOG(LOG_INFO) << "Hello";
+  ASSERT_EQ("Hello\n", test_logger_->message());
+
+  VLOG(LOG_INFO) << " World";
+  EXPECT_EQ("Hello\n World\n", test_logger_->message());
+}
+
+TEST_F(LoggerTest, LoggerHandlesDifferentTypes) {
+  VLOG(LOG_INFO) << "Hello " << 42;
+  EXPECT_EQ("Hello 42\n", test_logger_->message());
+}
+
+}  // namespace phonenumbers
+}  // namespace i18n